Mercurial > hgrepos > Python2 > PyMuPDF

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 /*
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2 * Copyright © 2007,2008,2009,2010 Red Hat, Inc.
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3 * Copyright © 2012,2018 Google, Inc.
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4 *
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5 * This is part of HarfBuzz, a text shaping library.
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6 *
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7 * Permission is hereby granted, without written agreement and without
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8 * license or royalty fees, to use, copy, modify, and distribute this
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9 * software and its documentation for any purpose, provided that the
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10 * above copyright notice and the following two paragraphs appear in
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11 * all copies of this software.
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12 *
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13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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17 * DAMAGE.
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18 *
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19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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24 *
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25 * Red Hat Author(s): Behdad Esfahbod
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26 * Google Author(s): Behdad Esfahbod
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27 */
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29 #ifndef HB_DISPATCH_HH
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30 #define HB_DISPATCH_HH
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32 #include "hb.hh"
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33
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34 /*
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35 * Dispatch
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36 */
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38 template <typename Context, typename Return=hb_empty_t, unsigned int MaxDebugDepth=0>
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39 struct hb_dispatch_context_t
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40 {
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41 private:
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42 /* https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern */
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43 const Context* thiz () const { return static_cast<const Context *> (this); }
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44 Context* thiz () { return static_cast< Context *> (this); }
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45 public:
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46 const char *get_name () { return "UNKNOWN"; }
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47 static constexpr unsigned max_debug_depth = MaxDebugDepth;
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48 typedef Return return_t;
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49 template <typename T, typename F>
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50 bool may_dispatch (const T *obj HB_UNUSED, const F *format HB_UNUSED) { return true; }
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51 template <typename T, typename ...Ts>
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52 return_t dispatch (const T &obj, Ts&&... ds)
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53 { return obj.dispatch (thiz (), std::forward<Ts> (ds)...); }
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54 static return_t no_dispatch_return_value () { return Context::default_return_value (); }
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55 static bool stop_sublookup_iteration (const return_t r HB_UNUSED) { return false; }
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56 unsigned debug_depth = 0;
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57 };
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58
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59
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60 #endif /* HB_DISPATCH_HH */